Ericco International Ltd.
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Using fiber-optic gyroscope and accelerometer as the main inertial sensor of multipoint gyro,the main characteristic of fiber-optic inclinometer is with strong impact resistance and durability. It can be used in retesting of the wellbore trajectory, side drilling, borehole survey of directional well.
1.Main features
□ Strong impact resistance
□ Operating mode/Storage mode
2.Performances and specifications
1.Parameters can be measured:
Inclination, azimuth, high side tool face, north direction
tool face, probe temperature
2.Measurement accuracy(1σ)：
Azimuth: 0~360 deg, error: ≤1.0 deg
Inclination: 0~50deg, error: ≤0.15deg
50~70deg, error: ≤0.25deg
Gravity tool face: 0~360deg, error: ≤1.0deg
North-direction tool face: 0~360deg, error: ≤1.0deg
3.Environment condition:
Operating temperature:75℃ (with thermal sleeve)
Pressure: 600Mpa
Shock: 700g, 0.5ms, ½sine
4.Outside dimension:
Downhole probe outside dimension: 45mm (with thermal sleeve),
Total length of downhole tools: 3800mm,
standard R type single point casing guide shoe or standard E type
casing guide shoe
5.Storage points: 1800 points
6.working hours: More than 10 hours